Tryit Editor v1.8

Source Code:

<!DOCTYPE html>
<html>
<body>

<p>This is some text. This is some text. This is some text.
<iframe src="/default.asp" width="200" height="200" align="right">
  <p>Your browser does not support iframes.</p>
</iframe>
This is some text. This is some text. This is some text.</p>

<p>The align attribute is deprecated in HTML 4, and is not supported in HTML5. Use CSS instead.</p>

</body>
</html>

Result:

W3Schools.com - Try it yourself

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